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420161024 = 29820627
BaseRepresentation
bin11001000010110…
…010011000000000
31002021121101120102
4121002302120000
51330030123044
6105405301532
713261211153
oct3102623000
91067541512
10420161024
111a6196218
12b88648a8
13690800ba
143db31c9a
1526d4724e
hex190b2600

420161024 has 20 divisors (see below), whose sum is σ = 839502444. Its totient is φ = 210080256.

The previous prime is 420161017. The next prime is 420161039.

420161024 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 420160987 and 420161005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409802 + ... + 410825.

Almost surely, 2420161024 is an apocalyptic number.

It is an amenable number.

420161024 is a deficient number, since it is larger than the sum of its proper divisors (419341420).

420161024 is an frugal number, since it uses more digits than its factorization.

420161024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820645 (or 820629 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 420161024 is about 20497.8297387797. The cubic root of 420161024 is about 748.9829319053.

The spelling of 420161024 in words is "four hundred twenty million, one hundred sixty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 820627 1641254 3282508 6565016 13130032 26260064 52520128 105040256 210080512 420161024